What is encryption?, The process of converting ciphertext into cleartext, The process of translating cleartext into ciphertext, The study of ancient military communication, The destruction of encrypted messages, What is required to decrypt an encrypted message?, A password, A copy of the encryption key, A special computer, Access to the original cleartext, What does cryptography mean etymologically?, a) Secret numbers, Hidden messages, Hidden writing, Secure technology, When was encryption first used in history?, World War I, The 5th century BC, The 20th century, The Roman Empire, What is cryptanalysis?, The study of ancient ciphers, The study of revealing secret messages without knowing the encryption process, The process of encrypting messages, A method of writing in code, What was Alan Turing’s main contribution to cryptography?, Inventing the Enigma machine, Developing a method to break German encrypted messages in WWII, Writing the first book on cryptography, Establishing military encryption laws, What was the name of the machine designed by Alan Turing to break encrypted messages?, Enigma, Colossus, CipherX, Kryptos, Why did the Germans increase their use of radio communications during WWII?, They preferred radio to written communication, Their telephone lines were damaged by bombings, Encryption was not considered necessary for telephones, They wanted to confuse the Allies, What happened to the Colossus machines after the war?, They were used for commercial encryption, They were stored in museums immediately, They were all destroyed, and one was later rebuilt, They were used to develop modern computers, How is encryption commonly used today?, Only for military purposes, To protect online transactions and personal data, To decode ancient messages, To encrypt historical texts.

Encryption and Cryptography

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